D, because the answer is in the question : "a statistic is given that says how many boxcars could be filled with the garbage is dumped into earth's water..."
Answer:
c: to give his personal experience
Explanation:
"Specimen Days" presents a type of biography of the poet Whitman, focusing on the life of the poem during the American civil war and how he dealt with this period and with the later period.
This book seeks to mix historical events in the country with Whitman's life and personal experiences during those events. For this reason, when the book states that the poet was leaving an opera when he heard the news of the war, the book seeks to present a personal experience of his life.
Fifteenth Amendment, amendment (1870) to the Constitution of the United States that guaranteed that the right to vote could not be denied based on “race, color, or previous condition of servitude.” The amendment complemented and followed in the wake of the passage of the Thirteenth and Fourteenth Amendments, which abolished slavery and guaranteed citizenship, respectively, to African Americans.
